Test 21 Harder Quant Walkthrough

<p><strong>Questions Covered&nbsp;</strong>(P+ &le; 50%)</p> <ul> <li><strong>Section 1:&nbsp;</strong>13, 14, 15, 27, 28, 29, 30 (pp. 808-814)&nbsp;</li> <li><strong>Section 4:&nbsp;</strong>14, 15, 28, 29, 30 (pp. 827-833)&nbsp;</li> </ul> <h2>&nbsp;</h2>